Lorex by FLIR Eco Blackbox3 4-Channel 1TB HDD DVR with 2x Wireless Outdoor Cameras Superior 960H Resolution - 34% more detailed and true-to-life image Advanced mobile apps with live viewing, playback, video recording, and snap shot Pentaplex operation - view, record, playback, back up & remotely control the system simultaneously High gain antennas provide up to 165ft (50m) indoor / 500ft (152m) outdoor wireless range High gain antennas provide up to 165ft (50m) indoor / 500ft (152m) outdoor wireless range